Jan 14, 2009 #1 DG72 Mechanical Jul 14, 2006 61 I'm curious to know how most on here specify washers. How do you harden them without making too brittle?
I'm curious to know how most on here specify washers. How do you harden them without making too brittle?
Jan 15, 2009 #2 metengr Materials Oct 2, 2003 15,478 DG72; Are you sure the observed failures were not caused by hydrogen embrittlement??? Upvote 0 Downvote
Jan 15, 2009 #3 SnTMan Mechanical Jan 22, 2005 6,794 DG72, I don't use them often, but when doing I use F-436 flatwashers. Have not heard of any cracking. Regards, Mike Upvote 0 Downvote
DG72, I don't use them often, but when doing I use F-436 flatwashers. Have not heard of any cracking. Regards, Mike
Jan 15, 2009 Thread starter #4 DG72 Mechanical Jul 14, 2006 61 Thanks for the reply. We have used washers quite a bit, but rarely see cracks. We specify our washers to be case hardened. These cracked prior to service. Upvote 0 Downvote
Thanks for the reply. We have used washers quite a bit, but rarely see cracks. We specify our washers to be case hardened. These cracked prior to service.
Jan 15, 2009 #5 metengr Materials Oct 2, 2003 15,478 Sounds like either hydrogen embrittlement or quench cracking from heat treatment. Upvote 0 Downvote
